How to run ble_app_hrs project?

[Karolina]

Hello, I have major problem trying to debug/run ble_app_hrs example. The thing is that when I enter debug mode the code is stuck here:

0x000001B4 4908      LDR      r1,[pc,#32]  ; @0x000001D8
0x000001B6 68C9      LDR      r1,[r1,#0x0C]
0x000001B8 2900      CMP      r1,#0x00
0x000001BA D0FB      BEQ      0x000001B4

it doesn't even get to this timers_init();:

int main(void)
{
    uint32_t err_code;

    timers_init();

I really don't know what's the problem. I assume that it's hidden in startup or system files, but since I'm a beginner it's had to find solution. Could you help me, please?

I also tried to load built example from nRFgo Studio, but when I push "Button 0" LED0 doesn't start blinking, LED0 and LED1 are OFF.

P.S. I'm using Keil uVision 4

[willi]

I didn't read through the code properly, but I saw that it was going to system off the first time. To make it work:

• Program your device
• Unplug the USB and plug it back in
• Then push any of the buttons

Now, the next time you plug out/in your USB it will work after you press a button.

Also, you are getting debugging problems because of optimization. Go to

Project options (ALT+F7) -> C/C++ tab -> Turn off optimization (Set to Level 0). Then you should be able to step through main as expected.

[Karolina]

thank you, now it works!